Suppose you have a charged piece of tape with a net positive or net negative charge....
Suppose you have a charged piece of tape with a net positive or net negative charge.
a. What effect will a magnet have on the tape?
b. If the tape is attracted to both a magnetic rod and a non-magnetic rod in the same way, can you conclude that there is any special interaction or force between either of the magnetic poles and the tape?
c. Are magnetic attractions the same as electrostatic attractions? Explain.
Homework Answers
a) A magnet will not have any effect on the tape. The tape is stationary and static charge is not influenced by a magnet. Either the charge or the magnetic field must be in motion to have some kind of interaction between the two.
b) There is no special interaction between the tap and the magnetic poles.
c) They are not same but similar . Both the forces are inversely proportional to square of distance 1/d2 . We can have isolated +ve or -ve charges but not isolated magnetic poles. There are no magnetic mono poles either S or N.
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